Rail vehicle for cleaning and breaking up ballast has cleaning unit with rows of rotating star wheels whose spokes simultaneously break and sharpen edges of stones

摘要

The rail vehicle for cleaning and breaking up ballast has a broaching unit which feeds the stone through a cleaning unit (200 to a laying-down unit which redeposits them. The cleaning unit has rows of rotating star wheels (22) whose spokes (23) simultaneously break and sharpen the edges of the stones.